Home / 10,028.40-13,837.94-5,551.52

Finding the Fourth Proportional to 10,028.40, 13,837.94 and 5,551.52

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Solution

The fourth proportional to 10,028.40, 13,837.94 and 5,551.52 is: 7,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.40 : 13,837.94 = 5,551.52 : x
  2. Step 2: Convert to fraction form
    10,028.40/13,837.94 = 5,551.52/x
  3. Step 3: Cross multiply
    10,028.40x = 13,837.94 × 5,551.52
  4. Step 4: Simplify right side
    10,028.40x = 76,821,600.67
  5. Step 5: Solve for x
    x = 76,821,600.67/10,028.40
  6. Step 6: Final answer
    x = 7,660.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.